| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polylactic acid resin composition excellent in molding processability of a molded item at low temperatures with excellent productivity; a method for producing the molded item by injection molding the polylactic acid resin composition; and a polylactic acid resin injection-molded item obtained by the production method. <P>SOLUTION: This polylactic acid resin composition includes a polylactic acid resin; a phosphoric ester compound expressed by formula (I) in an amount of 0.1-30 pts.wt. to 100 pts.wt. of the polylactic acid resin; and an organic crystal nucleating agent; where the weight ratio of the organic crystal nucleating agent and the phosphoric ester compound expressed by formula (I) is 1/99 to 50/50. In formula (I), R<SP POS="POST">1</SP>, R<SP POS="POST">2</SP>and R<SP POS="POST">3</SP>each independently represents a 1-4C alkyl group; A<SP POS="POST">1</SP>, A<SP POS="POST">2</SP>and A<SP POS="POST">3</SP>each independently represents a 2C or 3C alkylene group; m, n and p denotes an average addition mole number of oxyalkylene group and each independently is 0 or a positive number, and (m+n+p) satisfies a number exceeding 0 and ≤12. <P>COPYRIGHT: (C)2013,JPO&INPIT |
